>9drx_L mol:protein length:213 Kappa Fab 1F4 Light ChainNIVMTQSPKSMSMSVGERVTLSCKASEYVGTYVSWYQQKPEQSPKLLIYGASNRYTGVPDRFTGSGSATDFTLTIGSVQAEDLADYHCGQSYSYPTFGAGTKLELKRADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNRNEC